loading the kernel and root FS separately from flash?

[David Woodhouse]

On Mon, 2004-06-28 at 09:09 +0200, Wolfgang Denk wrote:
> >    is this possible?  anyone done it this way, and can tell me what
> > pitfalls i have to watch for?  thanks.
>
> This is a pretty standard setup. Although I don't really recommend to
> use JFFS2 for root filesystem (for example, because with a  big  root
> filesystem  the boot time may deteriorate). Instead, we usually split
> the stuff in a read-only partition (for example cramfs),  a  volatile
> part (tmpfs), and a persistent storage partition (JFFS2).

I think it should be OK when it's 4MiB in size. Mount time was far more
of a problem in JFFS2 many years ago when people were using the 2.4
kernel. It's a lot faster in 2.6.

There's people looking at making it even faster now, too.

--
dwmw2


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